COMPARING BETWEEN 2D AND 3D NUMERAL STABILITY ANALYSIS WITH RESPECT TO STABILITY STATUS OF SHIBLI TUNNEL

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AHMADI M.; HASSANI H.; DEHGHANI MOGHDAM M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: AMIRKABIR Year:2006 | Volume:16 | Issue:63-C Page(s): 73-81

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Title

COMPARING BETWEEN 2D AND 3D NUMERAL STABILITY ANALYSIS WITH RESPECT TO STABILITY STATUS OF SHIBLI TUNNEL

Author(s)

AHMADI M. | HASSANI H. | DEHGHANI MOGHDAM M. | Issue Writer Certificate

Keywords

RAILWAY TUNNELQ4

STABILITY ANALYSISQ2

CRITICAL STRAINQ4

2D ANALYSISQ4

3D ANALYSISQ3

FLAC3D CODEQ4

Abstract

Stress and strain around underground spaces in reality are three dimension. Therefore, in order to analyze the stress and displacement around underground spaces, 3D methods should be applied. In this investigation, stability analyzing of Shibli tunnel is used to comparing between 2D and 3D analyze. Shibli tunnel is a double track RAILWAY TUNNEL, will excavate in the Shibli region. The rock type of tunnel consists of an alternation of shaley limestone and Cretaceous conglomerate. Flac, and FLAC3D CODEs are applied for STABILITY ANALYSIS of the tunnel. Further, a hazard warning level was defined using Sakuraii's CRITICAL STRAIN and for estimating stability of the tunnel, displacements around tunnel are compared with that of the hazard warning level. According to the results of 2D and 3D ANALYSIS, in weak rocks, if the effect of advancing face is considered in numerical modeling and the tunnel is open-ended, displacements in 3D model will be more than displacements in 2D model.

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APA: Copy

AHMADI, M., HASSANI, H., & DEHGHANI MOGHDAM, M.. (2006). COMPARING BETWEEN 2D AND 3D NUMERAL STABILITY ANALYSIS WITH RESPECT TO STABILITY STATUS OF SHIBLI TUNNEL. AMIRKABIR, 16(63-C), 73-81. SID. https://sid.ir/paper/818/en

Vancouver: Copy

AHMADI M., HASSANI H., DEHGHANI MOGHDAM M.. COMPARING BETWEEN 2D AND 3D NUMERAL STABILITY ANALYSIS WITH RESPECT TO STABILITY STATUS OF SHIBLI TUNNEL. AMIRKABIR[Internet]. 2006;16(63-C):73-81. Available from: https://sid.ir/paper/818/en

IEEE: Copy

M. AHMADI, H. HASSANI, and M. DEHGHANI MOGHDAM, “COMPARING BETWEEN 2D AND 3D NUMERAL STABILITY ANALYSIS WITH RESPECT TO STABILITY STATUS OF SHIBLI TUNNEL,” AMIRKABIR, vol. 16, no. 63-C, pp. 73–81, 2006, [Online]. Available: https://sid.ir/paper/818/en

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